T. Henry, A Digest of the Ordinances of the Corporation of the District of Penn, and Acts of Assembly Relating Thereto, at 286, Ordinance of July 14, 1851, § 2 (1852)

Abstract

That there shall be appointed a captain of the watch, and a sufficient number of able bodied men as watchmen, as may be deemed necessary from time to time; and it shall be the duty of the said captain to aid the watchmen in preventing burglaries, robberies, and other outrages and disorders within the district. And to that end, be and they are hereby empowered and required to arrest, apprehend and confine all persons whom they shall find disturbing the peace, or shall have cause to suspect of any unlawful or evil design, or persons discharging or firing off any hand gun, pistol or other firearms, or shall cast, throw or fire any squibs, rockets or other fireworks, or make or assist at making bonfires within the regulated parts of the district in the night time; and shall take the person or persons so apprehended, as soon as conveniently may be, before the police or other magistrates, as may be from time to time directed, to be examined and dealt with according to law…